Cassandre Royer, MD
NPI 1215946694 · Neonatal-Perinatal Medicine Physician · San Antonio, TX
Cassandre Royer, MD is a Neonatal-Perinatal Medicine Physician provider in San Antonio, TX (NPI 1215946694).
Provider details
- NPI number
- 1215946694
- Entity type
- Individual
- Primary specialty
- Neonatal-Perinatal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- K2992 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-05
- Last updated
- 2007-07-08
Frequently asked questions
- What is Cassandre Royer's NPI number?
- Cassandre Royer's National Provider Identifier (NPI) is 1215946694, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cassandre Royer's specialty?
- Cassandre Royer is listed in the NPPES registry with a primary specialty of Neonatal-Perinatal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Cassandre Royer located?
- Cassandre Royer's practice location on file with NPPES is 5414 Fredericksburg Rd, San Antonio, TX 78229-3641.
- What is Cassandre Royer's phone number?
- The practice phone number listed in the NPPES registry for Cassandre Royer is (210) 541-8281.
- Is Cassandre Royer's NPI active?
- Yes — Cassandre Royer's NPI (1215946694) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.